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  Discovery of the Binary Pulsar PSR B1259-63 in VHE Gamma Rays

Schlenker, S., Beilicke, M., Khélifi, B., Masterson, C., de Naurois, M., & Rolland, L. (2005). Discovery of the Binary Pulsar PSR B1259-63 in VHE Gamma Rays. In F. A. Aharonian, H. J. Völk, & D. Horns (Eds.), High energy gamma-ray astronomy: 2nd International Symposium on High Energy Gamma-Ray Astronomy, Heidelberg, Germany, 26 - 30 July 2004 (pp. 341-346). Melville, NY, USA: American Institute of Physics.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8A68-4 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8A69-2
Genre: Conference Paper

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 Creators:
Schlenker, Stefan1, Author
Beilicke, M.2, Author           
Khélifi, Bruno2, Author           
Masterson, Conor2, Author           
de Naurois, M.2, Author           
Rolland, Loic1, Author
S. Schlenker et al. for the H.E.S.S. collaboration, Editor  
Affiliations:
1Yerevan Physics Institute, 2 Alikhanian Brothers Street, 375036 Yerevan, Armenia. Department of Physics, University of Durham, South Road, Durham DH1 3LE, UK. Centre d'Etude Spatiale des Rayonnements, CNRS/UPS, 9 av. du Colonel Roche, BP 4346, F-31029 Toulouse Cedex 4, France. Institut für Experimentalphysik, Universität Hamburg, Luruper Chaussee 149, D-22761 Hamburg, Germany. APC, UMR 7164 du CNRS, 11 Place Marcelin Berthelot, F-75231 Paris Cedex 05, France. Institut für Physik, Humboldt-Universität zu Berlin, Newtonstr. 15, D-12489 Berlin, Germany. Laboratoire Univers et Théories (LUTH), UMR 8102 du CNRS, Observatoire de Paris, Section de Meudon, F-92195 Meudon Cedex, France. Laboratoire de Physique Théorique et Astroparticules, IN2P3/CNRS, Université Montpellier II, CC 70, Place Eugène Bataillon, F-34095 Montpellier Cedex 5, France. Laboratoire Leprince-Ringuet, IN2P3/CNRS, Ecole Polytechnique, F-91128 Palaiseau, France. Dublin Institute for Advanced Studies, 5 Merrion Square, Dublin 2, Ireland. Landessternwarte, Königstuhl, D-69117 Heidelberg, Germany. Laboratoire d'Astrophysique de Grenoble, INSU/CNRS, Université Joseph Fourier, BP 53, F-38041 Grenoble Cedex 9, France. DAPNIA/DSM/CEA, CE Saclay, F-91191 Gif-sur-Yvette, France. Unit for Space Physics, North-West University, Potchefstroom 2520, South Africa. Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Universités Paris VI & VII, 4 Place Jussieu, F-75252 Paris Cedex 05, France. Institut für Theoretische Physik, Lehrstuhl IV: Weltraum und Astrophysik, Ruhr-Universität Bochum, D-44780 Bochum, Germany. Institute of Particle and Nuclear Physics (IPNP), Charles University, V Holesovickach 2, 180 00 Prague 8, Czech Republic. University of Namibia, Private Bag 13301, Windhoek, Namibia., ou_persistent22              
2Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550              

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 Abstract: The detection of the binary system PSR B1259-63 / SS 2883 with the High Energy Stereoscopic System (H.E.S.S.) of four imaging atmospheric Cherenkov telescopes is reported. PSR B1259-63, a radio pulsar with a highly eccentric orbit around a very luminous, massive star was observed around its periastron passage in February/March 2004. Very high energy (VHE)gamma-ray emission has been predicted to be produced in the interaction region of the pulsar wind and the photon field of the star, where accelerated electrons are believed to undergo InverseCompton scattering. The flux of the gamma-ray emission should then depend on the pulsar orbital phase. Gamma-ray signals with a significance >10 σ were detected above an energy threshold of ~380GeV. The measured flux varies significantly on timescales of days. The spectrum derived from the pre-periastron data has a flux level of 7% of the Crab Nebula flux and a photon index of Γ =2.7± 0.3stat.

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Language(s): eng - English
 Dates: 2005
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 230181
 Degree: -

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Title: 2nd International Symposium on High Energy Gamma-Ray Astronomy
Place of Event: Heidelberg, Germany
Start-/End Date: 2004-07-26 - 2004-07-30

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Title: High energy gamma-ray astronomy : 2nd International Symposium on High Energy Gamma-Ray Astronomy, Heidelberg, Germany, 26 - 30 July 2004
Source Genre: Proceedings
 Creator(s):
Aharonian, Felix A.1, Editor           
Völk, Heinrich J.2, Editor           
Horns, Dieter1, Editor           
Affiliations:
1 Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550            
2 Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907548            
Publ. Info: Melville, NY, USA : American Institute of Physics
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 341 - 346 Identifier: -

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Title: AIP conference proceedings
Source Genre: Series
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Pages: - Volume / Issue: 745 Sequence Number: - Start / End Page: - Identifier: -